Search a number
-
+
88620870 = 23513227233
BaseRepresentation
bin1010100100000…
…11111101000110
320011202101222110
411102003331012
5140141331440
612443241450
72124156612
oct522037506
9204671873
1088620870
114602a198
1225819286
131548b2b0
14baac342
157ba8080
hex5483f46

88620870 has 32 divisors (see below), whose sum is σ = 229051872. Its totient is φ = 21814272.

The previous prime is 88620859. The next prime is 88620871. The reversal of 88620870 is 7802688.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88620871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113227 + ... + 114006.

It is an arithmetic number, because the mean of its divisors is an integer number (7157871).

Almost surely, 288620870 is an apocalyptic number.

88620870 is an abundant number, since it is smaller than the sum of its proper divisors (140431002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88620870 is a wasteful number, since it uses less digits than its factorization.

88620870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227256.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 88620870 is about 9413.8658371574. The cubic root of 88620870 is about 445.8396301165.

The spelling of 88620870 in words is "eighty-eight million, six hundred twenty thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 227233 454466 681699 1136165 1363398 2272330 2954029 3408495 5908058 6816990 8862087 14770145 17724174 29540290 44310435 88620870